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Names Released In Bennett County Fatal Crash

FOR IMMEDIATE RELEASE: Tuesday, July 6, 2021

Contact: Tony Mangan, 605-280-5648


Names Released In Bennett County Fatal Crash


WHAT: Two-Vehicle Crash

WHERE: U.S. Highway 18, mile marker 141

               Seven miles west of Martin, S.D.

WHEN:   6:29 p.m., Thursday, July 1, 2021


Driver No. 1: Spencer Rouillard, Sr., 27, Allen, S.D.,  Serious Non-Life Threatening Injuries

Vehicle: 2002 Oldsmobile Bravada


Driver No. 2: Larry Bear Killer, 56, Allen, S.D., Fatal Injuries

Passenger: Isadore Poor Thunder, 61, Martin, S.D., Fatal Injuries

Vehicle: 2021 Hyundai Palisade


MARTIN, S.D. — Names have been released of the two men who died Thursday night in a two-vehicle crash west of Martin.


Preliminary information indicates that a 2002 Oldsmobile Bravada was westbound on U.S. Highway 18 when it crossed the center line and into the eastbound lane. It collided head-on with an eastbound 2021 Hyundai Palisade.


Both occupants of the Hyundai died as a result of the crash. Isadore Poor Thunder of Martin, S.D., the 61-year-old passenger, was not wearing a seat belt and was thrown from the vehicle. He was pronounced dead at the scene. Larry Bear Killer, the 56-year-old driver from Allen, S.D., was taken by ambulance to the hospital in Martin where he died from his injuries. He was wearing a seat belt.


Spencer Rouillard, Sr., of Allen, S.D., the 27-year-old male driver of the Oldsmobile, suffered serious non-life threatening injuries. He was transported to the Martin hospital and then airlifted to Rapid City. Charges are pending against him.


South Dakota’s Highway Patrol is in charge of the investigation. All information is preliminary at this time.


The Highway Patrol is part of the South Dakota Department of Public Safety.




Note: Records of state-reportable crashes are now available at http://www.safesd.gov/  Records should be available about 10 days after the investigation is complete.